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THE TEACHING BOTANIST. 



A Manual of Information upon Botanical Instruction, together with 

 Outlines and Directions for a Comprehensive Elementary Course. 

 By ^YILLIAM F. Ganong, Ph. D., Smith College. Cloth, i2mo, $i.io net. Just ready. 



This work aims to be a synoptical monograph of the teaching of Botany as a science in elementary courses. 

 In a series of essays it discusses the place of Botany in education, botanical methods, laboratories, books, etc. 

 These are followed by outlines of an economical logical course in the modern spirit, in which the best selection 

 of topics, materials, experiments, etc., is discussed and practical directions given for utilizing them. Though 

 addressed to teachers in high schools and colleges, it will be found equally helpful to teachers of other grades. 



Handbook of Optics. Our Native Birds. 



^ How TO Protect them and how to Attract 



For Students of Ophthalmology. ^^^^ ^^ ^^^ Homes. 



By William N. Suter, M. D., National Univer- By D. Lange, author of " A Manual of 



sity, Washington, D. C. Cloth, |i.oo net. Nature Study." Just ready. Cloth, f l.oo. 



THE LIQUEFACTION OF GASES. 



Just ready. Its Rise and Development. Cloth, i2mo, $1.50. 



By Willett Lepley Hardin, Harrison Senior Fellow in Chemistry, University of Pennsylvania. 



" The object of this little volume is to present a complete history, easy of comprehension, of the derelop- 

 ment of the methods employed in the liquefaction of gases (among others, air and hydrogen). While the 

 book has been written in a popular-science style, an effort is made to make it of value to those who are 

 •specially interested, by giving references to the original literature, though inaccessible to the majority of readers." 



The Soluble Ferments and Fermentation. Manual of Bacteriology. 



By J. Reynolds Green, Sc. D., F. R. S.. Trinity By Robert Muir, M. D., F. R. C. P. Ed., Professor 



College, Cambridge, Professor of Botany to the of Pathology, University of Glasgow ; and James 



Pharmaceutical Society of Great Britain, etc. Ritchie, M. D., Lecturer on Pathology, Univer- 



„ ... ,. ^ , c- ■ nr I sity of Oxford. Second edition. With one hun- 



Cambridge Natural Science Manuals. ^j^.^^ ^^^ twenty-six Illustrations. 



Cloth, 8vo, $3.00 net. Just ready. ^^^^^^ ^^ g^^^ ^^.25 net. 



NEW BOOKS FOR THE STUDENT OF EDUCATION, THEORY OR PRACTICE. 

 The Physical Nature of the Child and How to Study It. 



By Stuart H. Rowe, Ph. D., Supervising Principal of the Lovell District, New Haven, Conn.; formerly 

 Professor of Pedagogy and Director of Practice in the State Normal School at Mankato, Minn. A masterly 

 study of the child's physical basis for action. Cloth, 8vo, $1.00. 



Educational Aims and Social Phases of Education 



Educational Values. in the School and the Home. 



By Paul H. Hanus, Assistant Professor of the His- By Samuel T. Dutton, Superintendent of Schools, 



tory and Art of Teaching, Harvard University. Brookline, Mass. Cloth, lamo, gilt top, $1.25. 



, T^ ^ . Cloth, lamo, $1.00. '< One of the freshest and most suggest! vepresenta' 



A senes of Essays '^^ ^^'l^^^'l^.f^^^^^^^ tions of thi sfde of education which hSyetbLimad, 



Problems for laymen as well as tor protessional stu- . , _,, r,,.fi^^h 



dents and teachers. m this country." - r//^ Outlook. 



Methods of Knowledge : An Essay in Epistemology. 



By Walter Smith, of Lake Forest University. Cloth, izmo, $1.25 net. 



A definition of knowledge and study of the methods by which men have thought it possible to attain it. 



Social Laws. Tropica! Colonization. 



An Outline of Sociology. An Introduction to the Study of the Sublect. 



By G. Tarde. Translated from the French by g Allevne Ireland, author of " Demerariana : 



Howard C. Warren, Princeton University. Essays Historical, Critical, and Descriptive." 



With a Preface by James Mark Baldwin. Cloth, 8vo, $a.oo. 

 Cloth, i6mo, $1.25. 



Science of Statistics. 



By Richmond Mayo-Smith, Ph. D., Professor of Political Economy and Social Science in Columbia Univer- 

 sity. Columbia University Press. " It is full of suggestiveness.' -Independent. 

 Part II. Statistics and Econo7nics. Cloth. 8vo. gilt top. $3.00 net. Just ready 

 Part I. Statistics and Sociology. Cloth. 8vo, gilt top. $3.00 net. Previously issued. 



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